Answer:
Option: C) 1860s.
Explanation:
The hostile between the South and the North started during the election of 1860. Abraham Lincoln questioned and rejected the expansion of slavery in the territories. His election worked as the immediate purpose for the disruption between the two sides, causing the Civil War. The Civil War began in 1861 and lasted up to 1865. With casualties of about 620,000 soldiers died from combat, accident, disease, and starvation.
